The M48Z12-200PC1 is a 16 Kbit 2Kb x8 ZeroPower SRAM with a built-in real-time clock (RTC) from STMicroelectronics, a leader in the semiconductor industry. This innovative memory chip is designed to retain data and keep the RTC operational for over 10 years in the absence of external power. The device is housed in a 24-pin DIP (Dual In-line Package) making it suitable for through-hole PCB mounting.
Key Features
- Integrated Power-Fail Deselect (PFD) circuitry – Automatically switches to the battery supply during power failures, ensuring data preservation.
- Low Power Consumption – Utilizes STMicroelectronics' proprietary ZeroPower technology to achieve low power consumption, which is critical for battery-backed memory applications.
- Real-Time Clock (RTC) – The RTC provides timekeeping with precision and includes features such as leap year compensation up to the year 2100.
- Self-Contained Battery – Comes with a pre-installed lithium battery, enabling a long service life and making the device immediately operational upon installation.
- Byte-Wide SRAM Interface – Offers a simple integration with 8-bit data buses, making it compatible with a wide range of microcontrollers and other digital systems.
- Programmable Alarm Output – An additional feature for system wake-up or event scheduling, enhancing the device's versatility in various applications.
Applications
The M48Z12-200PC1 is ideal for applications that require reliable non-volatile memory storage with an integrated timekeeping function. Typical applications include:
- Industrial control systems
- Utility meters
- POS terminals
- Security systems
- Medical devices
- Embedded systems requiring battery-backed SRAM and RTC
Technical Specifications
Attribute
Value
Memory Size
16Kb (2K x 8)
Package Type
24-pin DIP
Supply Voltage
4.75V to 5.5V
Operating Temperature
-40°C to +85°C
Battery
Integrated Lithium
With its robust design and integrated features, the M48Z12-200PC1 from STMicroelectronics is a reliable choice for designers looking to incorporate memory and real-time clock capabilities in their systems with minimal additional components.
